Alfred Ajibola
- Sat, 25th July, 2020 @ 09:33: AM
Topics in Basic Science
Resources from living things Resources from animals Importance of immunization Types of Carbohydrates: Monosaccharides and Polysaccharides Carbohydrates: Disaccharides and Oligosaccharides Len Academy Examination Questions for Basic Science, JSS2, 2nd Term Len Academy Examination Questions for Basic Science, JSS3, 3rd Term Len Academy Examination Questions for Basic Science, JSS3, 2nd Term Primates: Characteristics of Primates Effects of improper waste management Waste Management: Causes of waste in the society Concept of mass and weight Mineral Salts: Sources, functions and deficiencies of macronutrients Sources, functions and deficiencies of micronutrients Len Academy questions for Basic Science JSS1, second Term Len Academy mid-term test questions for Basic Science JSS1, 2nd Term Microorganisms causing food, water and air borne diseases Vector borne organisms and the diseases they cause Bones of the Human Skeleton Meaning of Drugs, Type of Drugs and Side effects of DrugsAcademic Questions in Basic Science
Vaccination involves a process of introducing pathogens or germs into a person in order to prevent such person from the diseases they cause.
A. True
B. False
With regards to the human health, foreign bodies are best regarded as _____.
A. International bodies
B. Antilators
C. Antibodies
D. Antigens
E. Antibiotics
F. Antidotes
Disease causing organisms are termed _____.
A. Pests
B. Pathogens
C. Vectors
D. Insects
E. Disease carriers
F. All the above options are correct
____ is formed from a reaction utilizing oxygen and glucose in the mitochondria of cells.
A. Galactose
B. Fructose
C. Sucrose
D. AMP
E. ADP
F. ATP
Which of the following statement is false concerning carbohydrates?
A. They are composed of carbon, hydrogen and oxygen only
B. Carbon has the highest ratio of the constituent elements of carbohydrates
C. All carbohydrates are sugars
D. Fructose is a carbohydrate
E. Natural milk contains lactose and it's a carbohydrate
F. Fatty foods contains high calories of energy when compared to the same quantity of carbohydrate foods
Which of the following is a class of food?
A. Water
B. Fibre
C. Roughages
D. Latex
E. Tanins
F. Wax
Brachiation is a specialized form of movement exhibited by _____.
A. Human beings
B. Babbons
C. Chameleons
D. Toads
E. Millipedes
F. Birds
_____ is a form of locomotion whereby an organism move by means of its two hind limbs.
A. Pedalism
B. Duo Pedalism
C. Double Pedalism
D. Dual Pedalism
E. Bipedalism
F. Copedalism
1. Which of the following is NOT an animal?
2. Which of the following is NOT a mammal?
3. Urea is produced from a process called _____.
4. The stimulus picked by the eye is _____.
5. A similar group of fat storage cells found beneath the skin are called _____ tissues.
You can attempt Len Academy Questions on various Subjects (with Answers) here.
6. The middle layer of the epidermis is the _____.
7. The metabolic waste product excreted by the lungs is _____.
8. The excretory organ found in flatworms are the _____.
9. The functional unit of the kidneys are the _____.
10. The _____ connects the kidneys to the bladder.
11. The male sex hormone is the _____.
You can read on the Male Reproductive System (Scrotum and its Contents) here.
12. Which of the following is NOT a gamete?
13. Fertilization takes place in the _____.
14. The hormone responsive for ovulation is _____.
15. A particulate Nature of matter is the _____.
16. Sodium has an atomic mass of 23. Its number of electrons is _____.
17. The lightest known element is _____.
18. An element used in filling balloons is _____.
19. Group of ions with a specific charge are termed _____.
20. Carbon Hydroxide is chemically represented as _____.
21. Blood is a mixture separated by _____.
22. Which of the following element is a metalloid?
23. The group VIII elements can also be called the following gases except _____.
24. _____ is a fraction of petroleum used for road surfacing.
25. NH4+ is simply referred to as _____.
26. Scientists involved in oil exploration are called _____.
27. The components of crude oil are separated in the _____.
28. The Standard International (SI unit for current is _____.
Please read on the Fundamental and Derived Units in Physics. Answer is present here.
29. _____ power is involved in the Lifting of 25 litres of water via the use of hands.
30. A ball of mass 12000g is released from a height of 10m. What is the potential energy of the ball)? (g=10m/s)
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Amazing facts in Basic Science
Of all animals, mosquitoes hold the record of killing most humans annually. They are responsible for the deaths of 725,000 - 1,000,000 persons yearly
Antibiotics fights and kills bacteria. However, they do nothing to a virus
All insects have six legs. However, dragonfly has six legs but can't walk
The chin is defined as the protruding part of the face below the mouth, formed by the apex of the lower lip. It is shown below:
Interestingly, humans are the only animals with chin
Ripe cranberries will bounce like a ball. For this reason, they are nicknamed 'bounceberries'. They will also float in water
Tomatoes and Avocados are fruits, not vegetables
Sweat in itself doesn't smell. The smell that accompanies sweat is actually caused by the presence of bacteria on your skin. This bacteria breaks the sweat coming out of your sweat pores down into acids, thus making it smell.
Deodorants contains alcohol and are antibacterial. They work by killing the bacteria that makes sweat smell
Chewing aspirin during a heart attack may be a life saver. This is true because the drug inhibits platelets from forming a clot that can block an artery of the heart, thus stopping a heart attack
The kneecaps of newly born babies are not made of bone. Rather, they are little bits of cartilage which ossifies (turns from cartilages to bone) from age 2 to 6
Ice cubes made with fresh water are white in color while those made with boiled water are crystal clear
NOTABLE POINTS IN Basic Science
Intelligence Quotient (IQ) is a score derived from a set of standardized tests developed to measure a person's cognitive abilities in relation to their age group.
IQ may also be defined as the ratio of mental age (MA) to chronological age (CA) multiplied by 100.
Below are some formulas pertaining Intelligence Quotient:
IQ = MA x 100 ÷ CA
MA = Mental age
CA = Chronological age
IQ above 100 = Brilliance
IQ that equals 100 = Average
IQ below 100 = Below Average
Among all organisms in the universe, the human brain is the most developed. This highly developed brain present in humans is the biggest factor that makes them unique from every other organism on earth.
According to research, the more folds a brain has, the more intelligent the organism possessing it will become. To this end, humans have brains with the greatest number of folds (or bumps) called gyri and grooves (or indentations) called sulci.
Waste Management can be defined as the process of collecting, processing, recycling and controlling any material considered as waste.
Improperly disposed waste litters on road sides, in land fills, gutters and ditches. They are generally bad for the following reasons:
The waste block drainages hence resulting to flooding, especially during the rainy seasons.
Please read on erosion here.
They generate bad smells which can be dangerous to health.
They constitute nuisance and eyesore.
They become homes to various disease causing organisms.
Please read on vectors of diseases here.
Wastes can be classified into various types. These are:
Biodegradable waste
Non-Biodegradable waste
Refuse
Sewage
Recyclable waste
Electronic waste
Green waste
Biomedical waste
Metabolic waste
Radioactive waste
Chemical waste
Animal product waste
Please read the explanations on the classification of wastes here
The African Star Apple is a seasonal fruit that grows abundantly in Nigeria and other West African Countries. It's fondly called African Cherry, Agbalumo or Udara in some parts of Nigeria.
Below are some benefits of the African Star Apple:
It contains high amount of vitamin C
It contains a high amount of calcium
It contains high amount of potassium
It is a powerful antioxidant
It aids in weight reduction
It contains a high amount of iron
Its leaves, fruits and seeds are medicinal
It aids digestion and prevents vomiting
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